From 5f3a211a8b02222498f134ea961fe29c97a4801f Mon Sep 17 00:00:00 2001 From: Alexey Dobriyan Date: Thu, 22 Jan 2009 10:40:58 +0300 Subject: fs/Kconfig: move sysfs out Signed-off-by: Alexey Dobriyan --- fs/sysfs/Kconfig | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) create mode 100644 fs/sysfs/Kconfig (limited to 'fs/sysfs/Kconfig') diff --git a/fs/sysfs/Kconfig b/fs/sysfs/Kconfig new file mode 100644 index 000000000000..f4b67588b9d6 --- /dev/null +++ b/fs/sysfs/Kconfig @@ -0,0 +1,23 @@ +config SYSFS + bool "sysfs file system support" if EMBEDDED + default y + help + The sysfs filesystem is a virtual filesystem that the kernel uses to + export internal kernel objects, their attributes, and their + relationships to one another. + + Users can use sysfs to ascertain useful information about the running + kernel, such as the devices the kernel has discovered on each bus and + which driver each is bound to. sysfs can also be used to tune devices + and other kernel subsystems. + + Some system agents rely on the information in sysfs to operate. + /sbin/hotplug uses device and object attributes in sysfs to assist in + delegating policy decisions, like persistently naming devices. + + sysfs is currently used by the block subsystem to mount the root + partition. If sysfs is disabled you must specify the boot device on + the kernel boot command line via its major and minor numbers. For + example, "root=03:01" for /dev/hda1. + + Designers of embedded systems may wish to say N here to conserve space. -- cgit v1.2.3-55-g7522